Get Billing address from Order Id in WooCommerce

You can fetch billing address by using WC_Order object and get_billing_address() from order id.
Use the following code to fetch billing address from order ID.

$order = new WC_Order( $order_id );
$billing_address=$order->get_billing_address();

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Get Shipping address from Order Id in WooCommerce

You can fetch shipping address by using WC_Order object and get_shipping_address() from order id.
Use the following code to fetch shipping address from order ID.

$order = new WC_Order( $order_id );
$shipping_address=$order->get_shipping_address();

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Get All WooCommerce Orders for a Customer

There are several ways to get all WooCommerce Orders for a Customer.
Here you can get all Woocommerce orders for a customer by customer email id.
Use the following code to fecth WooCommerce orders for a customer.
The following code will fecth all orders for a current user.

$customer_orders = get_posts( array(    
    'meta_key'    => '_customer_user',
    'meta_value'  => get_current_user_id(),
    'post_type'   => 'shop_order',
    'post_status' => array_keys( wc_get_order_statuses() ),
    'numberposts' => -1
) );

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How to change default product visibility in woocommerce

If you want to change default product visibility in woocommerce then add that following code in your functions.php file.
Here instead of “hidden” change your default visibility values.

function filter_woocommerce_product_visibility_default( $visible ) { 
    return "hidden"; 
	//return your default value here
}; 
add_filter( 'woocommerce_product_visibility_default', 'filter_woocommerce_product_visibility_default', 10, 1 );

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How to remove woocommerce product tabs programmatically

If you want to remove woocommerce product tabs programmatically in WordPress then add that following code in your functions.php file.
Here “woocommerce_product_tabs” filter is used for alter woocommerce product tabs.

add_filter( 'woocommerce_product_tabs', 'woocommerce_remove_product_tabs', 98 );
function woocommerce_remove_product_tabs( $tabs ) {

    unset( $tabs['description'] );      	// Remove the description tab
    unset( $tabs['reviews'] ); 			// Remove the reviews tab
    unset( $tabs['additional_information'] );  	// Remove the additional information tab
    return $tabs;
}

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